Biodegradable, UV absorber and thermal stable bioplastic films from waxy corn starch/polyvinyl alcohol blends

Chemically modified waxy corn starch is a promising material for biodegradable bioplastic synthesis. This work is to study the film performance and microbial enzymatic biodegradation of the film made from chemically modified waxy corn starch according to the effect of pre-gelatinization and cardanol oil with various ratios as a mixed plasticizer with sorbitol. The preparation of biodegradable bioplastic films from waxy maize acetylated di-starch adipate (WADA) and waxy maize pregelatinized acetylated di-starch adipate (PWADA) blended with polyvinyl alcohol polymer using sorbitol and cardanol oil mixture as plasticizers were performed. Characterization of biodegradability by enzymes mixture of (alpha-amylase and glucoamylase) and soil burial test. The weight loss reached 96% and the degradation percentage reached 95.5% of PWADA and these results were significantly ( p